----- Original Message ----- From: "Harry Veeder" <[EMAIL PROTECTED]> To: <vortex-l@eskimo.com> Sent: Friday, March 09, 2007 5:40 AM Subject: Re: [Vo]: Proof of capturing ambient temperature energy
> Michel Jullian wrote: > >> >> ----- Original Message ----- >> From: "Jed Rothwell" <[EMAIL PROTECTED]> >> To: <vortex-L@eskimo.com> >> Sent: Thursday, March 08, 2007 7:25 PM >> Subject: Re: [Vo]: Proof of capturing ambient temperature energy >> >> >>> Michel Jullian wrote: >>> >>>> The highly OU commercial ambient air energy pumping devices I was >>>> talking about are those residential heating heat pumps we have been >>>> discussing in the 'loop closed' thread, they commonly reach COPs of >>>> 4 (1000W out for 250W in, the excess coming from ambient air). >>> >>> I thought this thread was a joke. >> >> The 'loop closed' thread you mean? It was a joke indeed, I said so and I >> explained why the overall loop COP was necessarily sub unity. Still, these >> things have high COPs, much higher than what has been achieved by e.g. cold >> fusion, or even present hot fusion devices for that matter. >> >>> A heat pump is NOT over unity. >> >> I don't get it. You mean overunity doesn't mean a COP>1 !? Or that the >> coefficient of performance isn't the ratio of output to input energy? Or that >> COP is not a proper term for heat pumps? Or that heat pumps don't have COPS >> over unity? Or that it matters whether the excess energy comes from ambient >> air or from e.g. fusion inside the device? > > > COP is the ratio of output power to input power. > > Harry Same thing actually: Eout/Ein = Pout*t / Pin*t = Pout/Pin Jed's COP=1.2 example was given in terms of energy (1200 joules out / 1000 joules in), my COP=4 example was in terms of power (1000 watts out / 250 watts in). Michel
